Home / 7,907,810.20-11,861,715.30-4,716,539.80

Finding the Fourth Proportional to 7,907,810.20, 11,861,715.30 and 4,716,539.80

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Solution

The fourth proportional to 7,907,810.20, 11,861,715.30 and 4,716,539.80 is: 7,074,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907,810.20 : 11,861,715.30 = 4,716,539.80 : x
  2. Step 2: Convert to fraction form
    7,907,810.20/11,861,715.30 = 4,716,539.80/x
  3. Step 3: Cross multiply
    7,907,810.20x = 11,861,715.30 × 4,716,539.80
  4. Step 4: Simplify right side
    7,907,810.20x = 55,946,252,308,718.94
  5. Step 5: Solve for x
    x = 55,946,252,308,718.94/7,907,810.20
  6. Step 6: Final answer
    x = 7,074,809.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.